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How much Java SE 11 Developer Exam Number: 1Z0-819 costs
- Types of questions: Performance Based Questions
- Examination Name: Java SE 11 Developer Exam Number: 1Z0-819
- Length of Exam: 85 min
- No. of Questions: 60 Questions
- Passing Score: 60% or higher
- Examination Fees: $250 USD
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Who should take the Java SE 11 Developer Exam Number: 1Z0-819
This exam helps students to understand the basic relational database concepts. Moreover, it will teach the students about data modeling concepts, building Entity Relationship Diagrams (ERDs), and mapping ERDs. Moreover, with this project-based learning techniques, students will be able to create and work with projects to design, implement, and demonstrate a database solution for a business or organization.
Reference: https://education.oracle.com/java-se-11-developer/pexam_1Z0-819?intcmp=WWOUBLOGPOSTLADJAVA082913
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Oracle 1Z0-819日本語 Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Topic 1: Secure Coding in Java SE Application | 5% | - Prevent SQL injection and other attacks - Prevent Denial of Service (DoS) attacks - Validate user input - Secure sensitive data |
| Topic 2: Exception Handling and Localization | 10% | - Create try-catch blocks and understand exception propagation - Use standard exception classes - Use resource bundles and locale classes for internationalization - Describe the advantages of exception handling - Use assertions - Create and throw custom exceptions |
| Topic 3: Working with Streams and Lambda expressions | 13% | - Use the Stream API to perform terminal operations - Use functional interfaces with lambda expressions - Perform decomposition using the reduce(), collect(), partition(), and groupingBy() methods - Use method references with streams - Filter a collection using lambda expressions - Describe the Stream interface and pipeline |
| Topic 4: Controlling Program Flow | 10% | - Use for, while, and do/while loops - Use break and continue statements - Use if and if/else statements - Use Java control statements - Use switch statements |
| Topic 5: I/O (Fundamentals and NIO2) | 7% | - Use Stream API with files - Use Path interface to manipulate file paths - Use NIO2 API to work with file systems and file attributes - Read and write console and file input/output using Java I/O system |
| Topic 6: Working with Java OOP | 15% | - Create inner classes and use them within other classes - Use abstract classes and interfaces - Implement inheritance - Implement polymorphism - Implement encapsulation - Apply the final keyword to classes, methods, and fields - Apply the static keyword to methods and fields |
| Topic 7: Database Applications with JDBC | 5% | - Execute queries and process results - Connect to a database using JDBC - Describe the advantages of using a connection pool - Use parameterized queries |
| Topic 8: Java Platform Module System | 10% | - Explain the concept of module exports and requires - Use jdeps to determine dependencies - Migrate applications to use modules - Declare module dependencies - Deploy and execute modules - Explain the default modules and class path |
| Topic 9: Working with Java data types | 12% | - Differentiate between object reference variables and primitive variables - Call methods on objects - Read or write to object fields - Declare and initialize variables - Explain an object's lifecycle (creation, dereferencing via garbage collection) - Manipulate data using the StringBuilder class and its methods - Create and manipulate strings |
| Topic 10: Concurrency | 10% | - Use synchronized blocks and the volatile keyword - Create worker threads using Runnable and Thread objects - Identify potential threading problems - Use ExecutorService to concurrently execute tasks - Use java.util.concurrent atomic classes and ForkJoinPool - Use parallel streams to improve performance |
| Topic 11: Working with Arrays and Collections | 8% | - Iterate through a collection - Sort elements in a collection - Create a list, set, map, or queue collection - Filter a collection using lambda expressions - Use generic types and diamond operator - Search for elements in a collection |
| Topic 12: Annotations | 5% | - Create custom annotations - Apply standard annotations to classes and methods - Describe the purpose of annotations |
